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#!/bin/sh
main()
{
GO_BINARY=$1
if [ $# -ne 1 ] || [ ! -f $GO_BINARY ] ; then
fail "Usage: $0 [path_to_go_binary]"
fi
GO_BUILD_ID=$( go tool buildid "$GO_BINARY" || openssl rand -hex 32 )
if [ -z "$GO_BUILD_ID" ] ; then
fail "ERROR: Could not extract Go build-id or generate a random hex string."
fi
GNU_BUILD_ID=$( echo $GO_BUILD_ID | sha1sum | cut -d' ' -f1 )
if [ -z "$GNU_BUILD_ID" ] ; then
fail "ERROR: Could not generate a GNU build-id"
fi
echo "$GNU_BUILD_ID"
}
fail()
{
echo "$@" 1>&2
exit 1
}
main "$@"
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